Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | William of Aberbrothoc, O.S.B. † | Bishop of Dunblane, Scotland, Great Britain |
| Appointed | Adam † | Bishop of Caithness, Scotland, Great Britain |
| Died | Guillaume d’Anonia (Hainaut) † | Bishop of Cambrai, France |
| Died | Gaetano Baliganto † | Bishop of Castro [del Lazio], Italy |
| Died | Benedek † | Bishop of Győr (Raab), Hungary |
| Died | Benedikt † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| Born | Jindřich (Hynek) Berka z Dubé † | | Bishop of Olomouc (Olmütz), Czechia |
| Born | Heinrich von Braunschweig-Lüneburg † | | Bishop of Hildesheim, Germany |
| Died | Ranulphe de Carel † | Bishop of Saintes, France |
| Appointed | Giovanni della Croce, O.P. † | Bishop of Stagno (Ston), Croatia | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| Appointed | Raimond du Puy † | Bishop of Agde, France |
| Resigned | Ettore † | Bishop of Castro di Puglia, Italy | Bishop Emeritus |
| Appointed | Francesco † | Bishop of Massa Lubrense, Italy | Bishop of Ascoli Satriano (Puglia), Italy |
| Died | Gedko † | Bishop of Płock, Poland |
| Died | Giovanni Gobbi, C.R.S.A. † | Bishop of Bobbio, Italy |
| Died | Gelasius Inlaianig † | Bishop of Elphin, Ireland |
| Born | Henri de La Tour-du-Pin † | | Former Bishop-Elect of Metz, France |
| Appointed | Malachy MacBrien † | Bishop of Elphin, Ireland |
| Died | Hugo Metaplana † | Bishop of Zaragoza, Spain |
| Died | Gérard de Montcornet † | Bishop of Soissons, France |
| Resigned | Niccolò , O. Cist. † | Bishop of Rieti, Italy |
| Died | Nicolò † | Bishop of Todi, Italy |
| Appointed | Gentile Orsini, O.P. † | Bishop of Catania, Italy |
| Appointed | Ottavio , O.S.B. † | Bishop of Cagli, Italy |
| Died | Bonaventura da Parma, O.F.M. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| Appointed | Sancho Pires † | Bishop of Porto, Portugal |
| Appointed | Pietro Rubiani, O.P. † | Bishop of Bobbio, Italy |
| Died | Jacques de Ruvigny † | Bishop of Verdun, France |
| Died | Raimondo Sommaria, O.P. † | Bishop of Lodi, Italy |
| Appointed | Lucifero di Stefanuzia † | Bishop of Umbriatico (Umbriaticum), Italy | Archbishop of Santa Severina, Italy |
| Appointed | Tivadar Tengerdi † | Bishop of Győr (Raab), Hungary |
| Appointed | Geoffroi de Tournemine, O.P. † | Bishop of Tréguier, France | Bishop Emeritus |
| Resigned | Wizlaw † | Bishop-Elect of Kammin (Camin), Germany | Priest |
| Appointed | Jan Wysoki Prawdzic † | Bishop of Płock, Poland |
61.0 | Selected | Rehoř (Gregor) Zajíc z Valdeka (von Waldek) † | Bishop of Praha, Czechia |
1 Jan | | Appointed | Pietro , O.F.M. † | Bishop of Pesaro, Italy |
2 Jan | | Ordained Bishop | Ottavio , O.S.B. † | Bishop of Cagli, Italy |
| Appointed | Rinaldo † | Bishop of Alatri, Italy |
| Appointed | Robert , O.S.B. † | Bishop of Clonfert, Ireland |
5 Jan | | Died | Bérenger de Frédol † | Bishop of Maguelonne, France |
15 Jan | | Died | Pierre Bérenger de Montbrun † | Bishop of Agde, France |
| Ordained Bishop | Buonincontro † | Bishop of Verona, Italy |
21 Jan | | Appointed | Nicholas † | Bishop of Brechin, Scotland, Great Britain |
26 Jan | | Appointed | Bartolomeo † | Bishop of Orte, Italy |
29 Jan | | Ordained Bishop | Nicholas † | Bishop of Brechin, Scotland, Great Britain |
3 Feb | | Appointed | Jean de Sierck † | Bishop of Toul, France |
4 Feb | | Appointed | Denis Benoit † | Bishop of Le Mans, France |
| Appointed | Willem Berthout † | Bishop of Utrecht, Netherlands |
| Appointed | Papiniano della Rovere † | Bishop of Novara, Italy | Bishop of Parma, Italy |
| Appointed | Pierre de Mornay † | Bishop of Auxerre, France |
| Appointed | Berardo di Poggio † | Bishop of Rieti, Italy |
5 Feb | | Appointed | Andrea Pandone † | Archbishop of Brindisi, Italy | Archbishop of Capua, Italy |
13 Feb | | Appointed | Alberto † | Bishop of Terracina, Priverno e Sezze, Italy | Archbishop of Capua, Italy |
| Appointed | Teobaldo Pontano, O.F.M. † | Bishop of Assisi, Italy |
| Appointed | Peter , O.P. † | Bishop of Kammin (Camin), Germany |
14 Feb | | Appointed | Frédéric de Lorraine † | Bishop of Orléans, France |
20 Feb | | Appointed | Walter Langton † | Bishop of Coventry and Lichfield, England, Great Britain |
26 Feb | | Appointed | Pandolfo † | Administrator of Ancona, Italy | Archbishop |
27 Feb | 76.1 | Appointed | St. Pedro Pascual, O. de M. † | Bishop of Jaén, Spain |
1 Mar | | Died | Tobiáš z Bechyně (von Bechin) † | Bishop of Praha, Czechia |
4 Mar | | Appointed | Giovanni Balastro, O.F.M. † | Archbishop of Torres, Italy |
11 Mar | | Died | John Le Romain (Romanus) † | Archbishop of York, England, Great Britain |
8 Apr | | Ordained Bishop | Giovanni Savelli, O.P. † | Bishop of Padova {Padua}, Italy | Bishop of Bologna, Italy |
11 Apr | | Appointed | Siegfried von Regenstein, O.T. † | Bishop of Samland (Sambia), Poland |
23 Apr | | Appointed | Pietro Guerra † | Administrator of Nola, Italy | Patriarch of Aquileia, Italy |
24 Apr | | Appointed | Rainerio de Casole † | Bishop of Cremona, Italy |
| Appointed | William Hotham, O.P. † | Archbishop of Dublin, Ireland |
| Appointed | Leonardo Mancini † | Bishop of Orvieto, Italy | Archbishop of Manfredonia, Italy |
| Died | Vicente Mendes † | Bishop of Porto, Portugal |
| Appointed | Guy de Neuville † | Bishop of Saintes, France |
28 Apr | | Died | Andrea de’ Mozzi † | Bishop of Vicenza, Italy |
29 Apr | | Ordained Bishop | Adam † | Bishop of Caithness, Scotland, Great Britain |
| Appointed | Bernardo Talenti † | Bishop of Lodi, Italy |
May | | Ordained Bishop | Rainerio de Casole † | Bishop of Cremona, Italy |
11 May | | Appointed | Egidio da Ferrara, O.P. † | Patriarch of Grado, Italy | Titular Patriarch of Alexandria {Alessandria} |
12 May | 56.3 | Appointed | Bl. Niccolò Boccasini, O.P. † | Master General of Order of Friars Preachers | Pope (Roma {Rome}, Italy) |
15 May | | Died | Berardo di Antignano † | Bishop of Foligno, Italy |
| Appointed | Jean de Comines † | Bishop of Le Puy-en-Velay, France |
16 May | 46.3 | Appointed | Giovanni Minio da Morrovalle, O.F.M. † | Minister General of Order of Friars Minor | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
19 May | 81.3 | Died | St. Pietro del Morrone (Angelerio), O.S.B. † | Bishop Emeritus of Roma {Rome}, Italy |
22.3 | Ordained Priest | Louis d’Anjou, O.F.M. † | Priest of Order of Friars Minor | Bishop of Toulouse, France |
4 Jun | | Ordained Bishop | Sancho Pires † | Bishop of Porto, Portugal |
12 Jun | 61.4 | Confirmed | Rehoř (Gregor) Zajíc z Valdeka (von Waldek) † | Bishop of Praha, Czechia |
5 Jul | | Appointed | Jimeno de Luna † | Bishop of Zaragoza, Spain | Archbishop of Toledo, Spain |
11 Jul | 59.5 | Resigned | Munio Zamora, O.P. † | Bishop of Palencia, Spain | Bishop Emeritus |
12 Jul | | Appointed | Burkhard von Blankenburg † | Archbishop of Magdeburg, Germany |
19 Jul | | Died | Arnold von Solms † | Bishop of Bamberg, Germany |
21 Jul | | Died | Ruffino da Frisseto † | Archbishop of Milano {Milan}, Italy |
26 Jul | | Died | Heinrich von Rotteneck † | Bishop of Regensburg, Germany |
30 Jul | | Appointed | Guy de La Charité † | Bishop of Soissons, France |
1 Aug | | Appointed | Konrad von Luppurg † | Bishop of Regensburg, Germany |
9 Aug | | Appointed | Pedro Colaço † | Bishop of Coimbra, Portugal |
| Appointed | Rufino Gorgoni, O.P. † | Bishop of Castro di Puglia, Italy |
| Appointed | Vollrad von Krempa † | Bishop of Brandenburg, Germany |
| Appointed | Andrea Masarone † | Bishop of Sora, Italy |
| Appointed | Nicola † | Bishop of Teano, Italy |
10 Aug | | Appointed | Gaucelin de la Garde † | Bishop of Maguelonne, France |
23 Aug | | Appointed | Francesco Fontana † | Archbishop of Milano {Milan}, Italy |
24 Aug | | Appointed | Nicolò Armati † | Bishop of Todi, Italy |
3 Sep | | Died | Peter Reich von Reichenstein † | Bishop of Basel, Switzerland |
8 Sep | | Appointed | Hermann von Blankenburg † | Bishop of Halberstadt, Germany |
Oct | | Died | Adam † | Bishop of Caithness, Scotland, Great Britain |
| Died | Ottavio , O.S.B. † | Bishop of Cagli, Italy |
12 Oct | | Appointed | Giovanni † | Bishop of Grosseto, Italy |
66.7 | Died | Bernhard von Kamenz † | Bishop of Meißen (Meissen), Germany |
| Appointed | Monaldo † | Bishop of Fossombrone, Italy |
13 Oct | | Appointed | Raniero Concoreggi † | Bishop of Vicenza, Italy | Archbishop of Ravenna, Italy |
16 Oct | | Appointed | Alpin of Strathearn † | Bishop of Dunblane, Scotland, Great Britain |
20 Oct | | Died | Juan Alvarez † | Bishop of Osma, Spain |
21 Oct | | Appointed | Gui de Colle Medio † | Bishop of Cambrai, France | Archbishop of Salerno, Italy |
28 Oct | | Appointed | Bartolomeo Caetani, O.S.B. † | Bishop of Foligno, Italy |
Nov | | Ordained Bishop | Bartolomeo Caetani, O.S.B. † | Bishop of Foligno, Italy |
1 Nov | | Died | Guillaume Duranti † | Bishop of Mende, France |
29 Nov | | Died | Bouchard di Avesnes-Hennegau † | Bishop of Metz, France |
Dec | | Ordained Bishop | David Martin † | Bishop of Saint David’s, Wales, Great Britain |
17 Dec | | Appointed | Andrew , O. Cist. † | Bishop of Caithness, Scotland, Great Britain |
| Appointed | Ithier de Burdegala, O.F.M. † | Bishop of Lodève, France |
| Appointed | Angelo da Camerino, O.E.S.A. † | Bishop of Cagli, Italy | Patriarch of Grado, Italy |
| Appointed | Guillaume Duranti † | Bishop of Mende, France |
23 Dec | | Ordained Bishop | Walter Langton † | Bishop of Coventry and Lichfield, England, Great Britain |
| Appointed | Lucifero di Stefanuzia † | Archbishop of Santa Severina, Italy |
30 Dec | 22.9 | Ordained Bishop | Louis d’Anjou, O.F.M. † | Bishop of Toulouse, France |